-@Book{?:_pictor_histor_music_print,
- author={?},
- title = {Pictoral History of Music Printing},
+@Book{unknown_author:_pictor_histor_music_print,
+ author={unknown author},
+ title = {Pictorial History of Music Printing},
address={Elhardt, Indiana},
publisher={H. and A. Selmer, Inc.},
note= {subject: history of music printing and engraving},
author = {Gaburo, Virginia},
year = 1977,
title = {Notation},
- address={publisher= {Lingua Press},
- publisher={La Jolla, California}},
+ publisher={Lingua Press},
+ address={La Jolla, California},
note = {A Lecture about notation, new ideas about},
}